CN219777182U - In-situ sampling device for tailing flocculation sedimentation test - Google Patents

In-situ sampling device for tailing flocculation sedimentation test Download PDF

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Publication number
CN219777182U
CN219777182U CN202321046646.4U CN202321046646U CN219777182U CN 219777182 U CN219777182 U CN 219777182U CN 202321046646 U CN202321046646 U CN 202321046646U CN 219777182 U CN219777182 U CN 219777182U
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China
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transparent cylinder
tailing
wall
cylinder body
sampling device
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CN202321046646.4U
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Inventor
盛宇航
朱庚杰
宋泽普
吴再海
李广波
杨纪光
王增加
郭加仁
王鹏涛
荆晓东
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Shandong Gold Mining Technology Co ltd
Shandong Gold Mining Technology Co ltd Filling Engineering Laboratory Branch
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Shandong Gold Mining Technology Co ltd
Shandong Gold Mining Technology Co ltd Filling Engineering Laboratory Branch
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Priority to CN202321046646.4U priority Critical patent/CN219777182U/en
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Abstract

The utility model discloses an in-situ sampling device for a tailing flocculation sedimentation test, which comprises an operating platform provided with a mounting hole, and further comprises a transparent cylinder body with both open upper and lower ends, wherein the outer wall of the transparent cylinder body is fixedly connected with the wall of the mounting hole; a collecting groove or an upper end cover is arranged at the upper port of the transparent cylinder; a lifting plug is arranged in the transparent cylinder body in a vertically sliding way. The lifting plug is contacted with the inner wall of the transparent cylinder body to prevent the slurry from leaking downwards; the device also comprises a driving mechanism for driving the lifting plug to lift along the inner wall of the transparent cylinder. By means of the transparent cylinder with graduation marks, the tailing flocculation sedimentation test can be completed through observation, photographing and recording. The lifting plug moves upwards to slowly push ore pulp into the collecting tank, so that the damage degree to the floc structure is obviously reduced, the sample is facilitated to be subjected to floc microstructure analysis, and the accuracy of test analysis results is improved through in-situ sampling of the tailing floc.

Description

In-situ sampling device for tailing flocculation sedimentation test
Technical Field
The utility model relates to a sampling device, in particular to an ore pulp sampling device for a tailing flocculation sedimentation test.
Background
The tailing paste (high concentration) filling technology is to mix the tailing, the cementing material and water in a certain proportion to prepare homogeneous cementing filling slurry, and fill the slurry into the well to form a filling body with certain mechanical strength. The tailing paste (high concentration) filling technology has become an important measure for realizing safe, green and efficient mining of mines because the tailing paste (high concentration) filling technology can achieve the effect of treating two pests (tailing areas and underground goafs) by one waste. And the dehydration of the low-concentration flotation tailing pulp is realized, and the obtaining of the high-concentration pulp meeting the concentration requirement becomes the key of the tailing paste (high concentration) filling. Because of the characteristics of simple operation, large treatment capacity and the like, the deep cone thickener is widely applied as tailing pulp thickening and dewatering equipment. Parameters of the tailing deep cone thickening process, such as flocculant selection and consumption, tailing pulp self-dilution concentration and the like, are generally determined in a laboratory by means of a tailing flocculation sedimentation test. Therefore, by developing a tailing flocculation sedimentation test, the influence of different factors on the tailing flocculation sedimentation effect is analyzed, and the tailing thickening dehydration rule is mastered so as to optimize the tailing thickening process parameters and reduce the tailing thickening dehydration cost.
The existing tailing flocculation sedimentation test is mainly completed by means of a 1000mL or 500mL measuring cylinder. Due to the lack of specialized test sampling devices, a rubber head dropper or pipette is typically used to sample deep into the cylinder. The main disadvantages of this sampling approach are: firstly, the original state of the tailing flocs is easily damaged (after standing), so that the microstructure analysis of the flocs is affected; secondly, the sample in a certain height range cannot be taken out independently; thirdly, sampling representativeness is poor, and errors are brought to analysis results; fourth, when the tailing floccules are static in the measuring cylinder for a period of time, the tailings are hardened at the bottom of the measuring cylinder, and the clearance is very inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an in-situ sampling device for a tailing flocculation sedimentation test, which realizes the tailing flocculation sedimentation test and the in-situ sampling function of tailing flocculation groups with different sedimentation heights; the second technical problem to be solved is to realize the quick cleaning of the tailing flocculation sedimentation device.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the in-situ sampling device for the tailing flocculation sedimentation test comprises an operating platform provided with a mounting hole, and further comprises a transparent cylinder body with upper and lower ends being open, wherein the outer wall of the transparent cylinder body is fixedly connected with the wall of the mounting hole; a collecting groove or an upper end cover is arranged at the upper port of the transparent cylinder; a lifting plug is arranged in the transparent cylinder in a vertically sliding manner, and the lifting plug is contacted with the inner wall of the transparent cylinder to prevent slurry from leaking downwards; the sampling device further comprises a driving mechanism for driving the lifting plug to lift along the inner wall of the transparent cylinder.
Preferably, the driving mechanism comprises a threaded column positioned below the operation table, and a threaded sleeve is connected to the threaded column in a threaded manner; the upper end panel of the threaded sleeve is provided with a central through hole, a first end face bearing coaxially arranged with the central through hole is arranged on the lower side of the upper end panel, and a second end face bearing coaxially arranged with the central through hole is arranged on the upper side of the upper end panel; the driving mechanism further comprises a transmission shaft, the upper end of which is fixed with the lifting plug, and the transmission shaft penetrates through the central through hole, the first end face bearing and the second end face bearing; the transmission shaft is provided with an annular step, the annular step leans against the upper side of the second end face bearing, the transmission shaft is also provided with a fastening nut positioned below the first end face bearing, and the fastening nut leans against the lower side of the first end face bearing.
Preferably, the transparent cylinder is provided with height scale marks.
Preferably, the console is mounted with legs; the sucking disc is installed to the landing leg lower extreme.
Preferably, the outer wall of the transparent cylinder is in threaded connection with the hole wall of the mounting hole.
The utility model has the following positive effects:
first, by means of the transparent cylinder with graduation marks, the tailing flocculation sedimentation test can be completed through observation, photographing and recording. According to the utility model, the lifting plug moves upwards to slowly push ore pulp into the collecting tank, so that the damage degree to the floc structure is obviously reduced, the sample is facilitated to be subjected to floc microstructure analysis, and the accuracy of a test analysis result is improved through in-situ sampling of the tailing floc.
Secondly, the lifting plug moves upwards slowly to enable the tailing floccule to move slowly to the upper port of the cylinder body, and the tailing floccule is discharged into the collecting groove through the upper port. And moving the corresponding height, namely collecting any section of samples with different heights or different flocculation degrees according to the requirement.
Thirdly, the cylinder is fixed in the hole of the operating platform through threads, and in the optimized technical scheme, the bottom end of the supporting leg of the operating platform is provided with the sucker, so that the function of fixing the operating platform is achieved. These measures can ensure that the cylinder is stable and will not interfere with the test results due to shaking.
Fourth, the clearance can be dismantled to lift stopper, has solved the tailing board and has tied the inconvenient problem of clearance in the graduated flask bottom.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a driving mechanism according to an embodiment of the present utility model.
In the figure, 1, a material collecting groove, 2, a transparent cylinder body, 3, a lifting plug, 4, an operating platform, 5, a driving mechanism, 5-1, a threaded column, 5-2, a threaded sleeve, 5-3, a first end face bearing, 5-4, a second end face bearing, 5-5, a transmission shaft, 5-6, a fastening nut, 6, a supporting leg, 7 and a sucker.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples.
As shown in FIG. 1, the embodiment of the in-situ sampling device for the tailing flocculation sedimentation test comprises an operating platform 4 provided with a mounting hole, and further comprises a transparent cylinder body 2 with both open upper and lower ends, wherein the outer wall of the transparent cylinder body 2 is fixedly connected (preferably in threaded connection) with the wall of the mounting hole. An upper end cover (the upper end cover is omitted in the drawing) or a collecting tank 1 is arranged at the upper port of the transparent cylinder 2. A lifting plug 3 in the form of a rubber plug is installed in the transparent cylinder 2 in a vertically sliding manner, and the lifting plug 3 is in close contact with the inner wall of the transparent cylinder 2 so as to prevent slurry from leaking downwards.
The transparent cylinder body 2 is made of transparent acrylic material, and height scale marks are printed on the cylinder body.
The operation panel 4 is installed landing leg 6, and sucking disc 7 is installed to landing leg 6 lower extreme.
The lifting plug 3 is connected with a driving mechanism 5, and the driving mechanism 5 is used for driving the lifting plug 3 to lift along the inner wall of the transparent cylinder 2.
As shown in fig. 2, the driving mechanism 5 includes a threaded column 5-1 located below the operating platform 4, a threaded sleeve 5-2 is screwed on the threaded column 5-1, a central through hole is formed in an upper end panel of the threaded sleeve 5-2, a first end face bearing 5-3 coaxially arranged with the central through hole is installed on a lower side of the upper end panel, and a second end face bearing 5-4 coaxially arranged with the central through hole is installed on an upper side of the upper end panel.
The driving mechanism 5 also comprises a transmission shaft 5-5, the upper end of which is fixed with the lifting plug 3. The transmission shaft 5-5 passes through the central through hole, the first end face bearing 5-3 and the second end face bearing 5-4. The transmission shaft 5-5 is provided with an annular step, the annular step leans against the upper side of the second end face bearing 5-4, the transmission shaft 5-5 is also provided with a fastening nut 5-6 positioned below the first end face bearing 5-3, the fastening nut 5-6 leans against the lower side of the first end face bearing 5-3, and the transmission shaft 5-5, the first end face bearing 5-3 and the second end face bearing 5-4 are assembled on the threaded sleeve 5-2 through the fastening action of the fastening nut 5-6. The threaded sleeve 5-2 lifts by itself when rotating and drives the transmission shaft 5-5 to drive the lifting plug 3 to synchronously lift, and the end face bearing has the function that the transmission shaft 5-5 is in a free lifting state which is not driven by rotating force in the lifting process. The drive mechanism 5 realizes a rotational connection between the drive shaft 5-5 and the threaded sleeve 5-2.
The upper end part of the transparent cylinder body 2 is provided with external threads, ore pulp in the transparent cylinder body 2 is kept still for a period of time, and the upper end part of the transparent cylinder body 2 is connected with the upper end cover through threads, so that the transparent cylinder body 2 is closed. The upper end cover is taken down during sampling, and then the collecting tank 1 is connected to the upper end part of the transparent cylinder 2 in a threaded manner.
The material collecting groove 1 is a circular container, and the size of the circular inner wall of the circular container is the same as that of the outer wall of the transparent cylinder 2. The upper port of the collecting tank 1 is provided with a notch so that the tailing flocs overflow from the upper port of the transparent cylinder 2 into the collecting tank 1.
The following illustrates the method of use of embodiments of the present utility model.
(1) Before use, the lifting plug 3 is placed in the transparent cylinder 2 and is lightly pushed to the bottom of the transparent cylinder 2; clear water is added into the transparent cylinder 2, the tightness of the device is checked, and the clear water is poured out after the tightness is good. The transparent cylinder 2 is arranged on the operation table 4, and the position of the operation table 4 is adjusted to ensure the level. The lift plug 3 is removed and the lift plug 3 is connected to the drive mechanism 5. The lifting plug 3 is installed at the lower end part of the transparent cylinder 2 from below.
(2) The water and the tailings are respectively weighed and sequentially put into the transparent cylinder 2, and the ore pulp is uniformly mixed by a stirrer. According to the test requirements, different influence factor tests such as flocculant type, flocculant dosage, optimal pulp dilution concentration and the like are respectively carried out, and the sedimentation heights of the tailing flocs at different moments are recorded.
(3) After the flocculation and sedimentation of the tailing are finished (the time is determined according to a research scheme), the collecting tank 1 is arranged at the upper end of the transparent cylinder 2. Firstly, the upper supernatant liquid in the transparent cylinder 2 is discharged by using a hose according to the siphon principle, then the outer wall of the threaded sleeve 5-2 is held by hands to slowly rotate, so that the lifting plug 3 slowly rises, the tailing flocs in the transparent cylinder 2 are pushed to rise to the upper port of the cylinder, and the plane of the tailing flocs is level with the upper port of the cylinder. And slowly discharging the tailing flocs into the collecting tank 1 according to the requirements of different sedimentation positions to be researched, and completing the sampling of the tailing flocs. If an experiment of the influence of time on the flocculation sedimentation effect of the tailings is carried out, the upper end cover is detached and installed on the collecting tank 1, and the upper end cover is detached and the aggregate 1 is installed for sampling after the set time is reached.
(4) And (3) performing concentration measurement, grain composition analysis, flocculation microstructure analysis, law research of the change of the tailing flocculation along with time and space, and research of a tailing flocculation sedimentation mechanism after sampling.

Claims (5)

1. The utility model provides an experimental normal position sampling device of using of tailing flocculation sedimentation, is including operating panel (4) of seting up the mounting hole, its characterized in that: the sampling device also comprises a transparent cylinder body (2) with both open upper and lower ends, wherein the outer wall of the transparent cylinder body (2) is fixedly connected with the hole wall of the mounting hole; a collecting groove (1) or an upper end cover is arranged at the upper port of the transparent cylinder body (2); a lifting plug (3) is arranged in the transparent cylinder (2) in a vertically sliding manner, and the lifting plug (3) is contacted with the inner wall of the transparent cylinder (2) to prevent slurry from leaking downwards; the sampling device also comprises a driving mechanism (5) for driving the lifting plug (3) to lift along the inner wall of the transparent cylinder (2).
2. An in situ sampling device for a tailing flocculation sedimentation test as set forth in claim 1, wherein: the driving mechanism (5) comprises a threaded column (5-1) positioned below the operating platform (4), and a threaded sleeve (5-2) is connected to the threaded column (5-1) in a threaded manner; the upper end panel of the threaded sleeve (5-2) is provided with a central through hole, a first end face bearing (5-3) coaxially arranged with the central through hole is arranged on the lower side of the upper end panel, and a second end face bearing (5-4) coaxially arranged with the central through hole is arranged on the upper side of the upper end panel; the driving mechanism (5) further comprises a transmission shaft (5-5) with the upper end fixed with the lifting plug (3), and the transmission shaft (5-5) penetrates through the central through hole, the first end face bearing (5-3) and the second end face bearing (5-4); the transmission shaft (5-5) is provided with an annular step, the annular step leans against the upper side of the second end face bearing (5-4), the transmission shaft (5-5) is also provided with a fastening nut (5-6) positioned below the first end face bearing (5-3), and the fastening nut (5-6) leans against the lower side of the first end face bearing (5-3).
3. An in situ sampling device for a tailing flocculation sedimentation test as set forth in claim 1, wherein: and the transparent cylinder body (2) is provided with height scale marks.
4. An in situ sampling device for a tailing flocculation sedimentation test as set forth in claim 1, wherein: the operation table (4) is provided with supporting legs (6); the lower end of the supporting leg (6) is provided with a sucker (7).
5. An in situ sampling device for a tailing flocculation sedimentation test as set forth in claim 1, wherein: the outer wall of the transparent cylinder body (2) is in threaded connection with the hole wall of the mounting hole.
CN202321046646.4U 2023-05-05 2023-05-05 In-situ sampling device for tailing flocculation sedimentation test Active CN219777182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321046646.4U CN219777182U (en) 2023-05-05 2023-05-05 In-situ sampling device for tailing flocculation sedimentation test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321046646.4U CN219777182U (en) 2023-05-05 2023-05-05 In-situ sampling device for tailing flocculation sedimentation test

Publications (1)

Publication Number Publication Date
CN219777182U true CN219777182U (en) 2023-09-29

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ID=88110348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321046646.4U Active CN219777182U (en) 2023-05-05 2023-05-05 In-situ sampling device for tailing flocculation sedimentation test

Country Status (1)

Country Link
CN (1) CN219777182U (en)

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